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Clamp Earth Ground Tester UNI-T UT278A Clamp Earth Ground Tester UNI-T UT278A TECHNICAL SPECIFICATION Earth Ground Resistance (Ω) 0.
01Ω-0.
099Ω ±(1%+0.
99Ω ±(1%+0.
0Ω-49.
9Ω ±(1%+0.
1) 50Ω-99.
5Ω ±(2%+0.
5) 100Ω-199Ω ±(3%+1) 200Ω-395Ω ±(6%+5) 400Ω-590Ω ±(10%+10) 600Ω-800Ω ±(20%+20) 800Ω-1200Ω ±(25%+30) Leakage Current (A) 0mA-9mA ±(2.
5%+1) 10mA-99mA ±(2.
5%+5) 100mA-299mA ±(2.
5%+10) 0.
99A ±(2.
9A ±(2.
0A ±(2.
5) 3A-30A ±(2.
5) FEATURES Display Count 4 Auto Range √ Jaw Capacity 32mm Single Measure Time 1s Resistance Measurement Frequency ＞1KHz √ Current Measurement Frequency 50Hz/60Hz √ Resistance Limit Alarm 1Ω-199Ω √ Current Limit Alarm 1mA-499mA √ RS-232 √ Beeper and Light Alarm √ Jamming Signal Recognition √ Over-Range Display √ Low Battery Indication √ Data Logging 99 GENERAL CHARACTERISTICS Power: 1.
5V Alkaline Battery X4 LCD Size: 47mm X 28.
5mm Product Weight 1160g Product Size 285mm X 85mm X 56mm ACCESSORIES Batteries, Test Ring, Tool Box MANUFACTURER UNI-TREND Manual de utilizare https://www.
uni-trend.
com/uploadfile/cloud/English%20manual/General%20Meters/UT276A%20UT278A%20English%20Manual.
